The joint effusion caused by gout may be caused by uric acid crystals deposited inside the joints which stimulate the synovial membrane to proliferate, and it can be treated by medication and joint cavity puncture to extract the effusion. 1. Medication: When the amount of joint effusion caused by gout is small, drugs with anti-inflammatory and analgesic effects can be used for treatment. Commonly used drugs include colchicine and non-steroidal anti-inflammatory drugs, such as celecoxib and diclofenac, which can control inflammation and relieve the patient’s symptoms. 2. Surgery: If the joint effusion is large in volume and tension, the joint cavity can be punctured to extract the effusion under the operation of a physician, and glucocorticoid anti-inflammatory treatments such as cotrimoxazole can be injected in the process. Drugs should be used under the guidance of a physician, do not self-medication. It is recommended that patients go to the orthopedics, rheumatology and immunology departments of regular hospitals for timely consultation and standardized diagnosis and treatment according to the doctor’s instructions.